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  <section id="cmakegraphvizoptions">
<span id="module:CMakeGraphVizOptions"></span><h1>CMakeGraphVizOptions<a class="headerlink" href="#cmakegraphvizoptions" title="Permalink to this heading">¶</a></h1>
<p>The builtin Graphviz support of CMake.</p>
<section id="generating-graphviz-files">
<h2>Generating Graphviz files<a class="headerlink" href="#generating-graphviz-files" title="Permalink to this heading">¶</a></h2>
<p>CMake can generate <a class="reference external" href="https://www.graphviz.org/">Graphviz</a> files showing the
dependencies between the targets in a project, as well as external libraries
which are linked against.</p>
<p>When running CMake with the <code class="docutils literal notranslate"><span class="pre">--graphviz=foo.dot</span></code> option, it produces:</p>
<ul class="simple">
<li><p>a <code class="docutils literal notranslate"><span class="pre">foo.dot</span></code> file, showing all dependencies in the project</p></li>
<li><p>a <code class="docutils literal notranslate"><span class="pre">foo.dot.&lt;target&gt;</span></code> file for each target, showing on which other targets
it depends</p></li>
<li><p>a <code class="docutils literal notranslate"><span class="pre">foo.dot.&lt;target&gt;.dependers</span></code> file for each target, showing which other
targets depend on it</p></li>
</ul>
<p>Those .dot files can be converted to images using the <em>dot</em> command from the
Graphviz package:</p>
<div class="highlight-shell notranslate"><div class="highlight"><pre><span></span>dot<span class="w"> </span>-Tpng<span class="w"> </span>-o<span class="w"> </span>foo.png<span class="w"> </span>foo.dot
</pre></div>
</div>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.10: </span>The different dependency types <code class="docutils literal notranslate"><span class="pre">PUBLIC</span></code>, <code class="docutils literal notranslate"><span class="pre">INTERFACE</span></code> and <code class="docutils literal notranslate"><span class="pre">PRIVATE</span></code>
are represented as solid, dashed and dotted edges.</p>
</div>
</section>
<section id="variables-specific-to-the-graphviz-support">
<h2>Variables specific to the Graphviz support<a class="headerlink" href="#variables-specific-to-the-graphviz-support" title="Permalink to this heading">¶</a></h2>
<p>The resulting graphs can be huge.  The look and content of the generated graphs
can be controlled using the file <code class="docutils literal notranslate"><span class="pre">CMakeGraphVizOptions.cmake</span></code>.  This file is
first searched in <span class="target" id="index-0-variable:CMAKE_BINARY_DIR"></span><a class="reference internal" href="../variable/CMAKE_BINARY_DIR.html#variable:CMAKE_BINARY_DIR" title="CMAKE_BINARY_DIR"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_BINARY_DIR</span></code></a>, and then in
<span class="target" id="index-0-variable:CMAKE_SOURCE_DIR"></span><a class="reference internal" href="../variable/CMAKE_SOURCE_DIR.html#variable:CMAKE_SOURCE_DIR" title="CMAKE_SOURCE_DIR"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_SOURCE_DIR</span></code></a>.  If found, the variables set in it are used to
adjust options for the generated Graphviz files.</p>
<dl class="cmake variable">
<dt class="sig sig-object cmake" id="variable:GRAPHVIZ_GRAPH_NAME">
<span class="sig-name descname"><span class="pre">GRAPHVIZ_GRAPH_NAME</span></span><a class="headerlink" href="#variable:GRAPHVIZ_GRAPH_NAME" title="Permalink to this definition">¶</a></dt>
<dd><p>The graph name.</p>
<ul class="simple">
<li><p>Mandatory: NO</p></li>
<li><p>Default: value of <span class="target" id="index-0-variable:CMAKE_PROJECT_NAME"></span><a class="reference internal" href="../variable/CMAKE_PROJECT_NAME.html#variable:CMAKE_PROJECT_NAME" title="CMAKE_PROJECT_NAME"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_PROJECT_NAME</span></code></a></p></li>
</ul>
</dd></dl>

<dl class="cmake variable">
<dt class="sig sig-object cmake" id="variable:GRAPHVIZ_GRAPH_HEADER">
<span class="sig-name descname"><span class="pre">GRAPHVIZ_GRAPH_HEADER</span></span><a class="headerlink" href="#variable:GRAPHVIZ_GRAPH_HEADER" title="Permalink to this definition">¶</a></dt>
<dd><p>The header written at the top of the Graphviz files.</p>
<ul class="simple">
<li><p>Mandatory: NO</p></li>
<li><p>Default: &quot;node [ fontsize = &quot;12&quot; ];&quot;</p></li>
</ul>
</dd></dl>

<dl class="cmake variable">
<dt class="sig sig-object cmake" id="variable:GRAPHVIZ_NODE_PREFIX">
<span class="sig-name descname"><span class="pre">GRAPHVIZ_NODE_PREFIX</span></span><a class="headerlink" href="#variable:GRAPHVIZ_NODE_PREFIX" title="Permalink to this definition">¶</a></dt>
<dd><p>The prefix for each node in the Graphviz files.</p>
<ul class="simple">
<li><p>Mandatory: NO</p></li>
<li><p>Default: &quot;node&quot;</p></li>
</ul>
</dd></dl>

<dl class="cmake variable">
<dt class="sig sig-object cmake" id="variable:GRAPHVIZ_EXECUTABLES">
<span class="sig-name descname"><span class="pre">GRAPHVIZ_EXECUTABLES</span></span><a class="headerlink" href="#variable:GRAPHVIZ_EXECUTABLES" title="Permalink to this definition">¶</a></dt>
<dd><p>Set to FALSE to exclude executables from the generated graphs.</p>
<ul class="simple">
<li><p>Mandatory: NO</p></li>
<li><p>Default: TRUE</p></li>
</ul>
</dd></dl>

<dl class="cmake variable">
<dt class="sig sig-object cmake" id="variable:GRAPHVIZ_STATIC_LIBS">
<span class="sig-name descname"><span class="pre">GRAPHVIZ_STATIC_LIBS</span></span><a class="headerlink" href="#variable:GRAPHVIZ_STATIC_LIBS" title="Permalink to this definition">¶</a></dt>
<dd><p>Set to FALSE to exclude static libraries from the generated graphs.</p>
<ul class="simple">
<li><p>Mandatory: NO</p></li>
<li><p>Default: TRUE</p></li>
</ul>
</dd></dl>

<dl class="cmake variable">
<dt class="sig sig-object cmake" id="variable:GRAPHVIZ_SHARED_LIBS">
<span class="sig-name descname"><span class="pre">GRAPHVIZ_SHARED_LIBS</span></span><a class="headerlink" href="#variable:GRAPHVIZ_SHARED_LIBS" title="Permalink to this definition">¶</a></dt>
<dd><p>Set to FALSE to exclude shared libraries from the generated graphs.</p>
<ul class="simple">
<li><p>Mandatory: NO</p></li>
<li><p>Default: TRUE</p></li>
</ul>
</dd></dl>

<dl class="cmake variable">
<dt class="sig sig-object cmake" id="variable:GRAPHVIZ_MODULE_LIBS">
<span class="sig-name descname"><span class="pre">GRAPHVIZ_MODULE_LIBS</span></span><a class="headerlink" href="#variable:GRAPHVIZ_MODULE_LIBS" title="Permalink to this definition">¶</a></dt>
<dd><p>Set to FALSE to exclude module libraries from the generated graphs.</p>
<ul class="simple">
<li><p>Mandatory: NO</p></li>
<li><p>Default: TRUE</p></li>
</ul>
</dd></dl>

<dl class="cmake variable">
<dt class="sig sig-object cmake" id="variable:GRAPHVIZ_INTERFACE_LIBS">
<span class="sig-name descname"><span class="pre">GRAPHVIZ_INTERFACE_LIBS</span></span><a class="headerlink" href="#variable:GRAPHVIZ_INTERFACE_LIBS" title="Permalink to this definition">¶</a></dt>
<dd><p>Set to FALSE to exclude interface libraries from the generated graphs.</p>
<ul class="simple">
<li><p>Mandatory: NO</p></li>
<li><p>Default: TRUE</p></li>
</ul>
</dd></dl>

<dl class="cmake variable">
<dt class="sig sig-object cmake" id="variable:GRAPHVIZ_OBJECT_LIBS">
<span class="sig-name descname"><span class="pre">GRAPHVIZ_OBJECT_LIBS</span></span><a class="headerlink" href="#variable:GRAPHVIZ_OBJECT_LIBS" title="Permalink to this definition">¶</a></dt>
<dd><p>Set to FALSE to exclude object libraries from the generated graphs.</p>
<ul class="simple">
<li><p>Mandatory: NO</p></li>
<li><p>Default: TRUE</p></li>
</ul>
</dd></dl>

<dl class="cmake variable">
<dt class="sig sig-object cmake" id="variable:GRAPHVIZ_UNKNOWN_LIBS">
<span class="sig-name descname"><span class="pre">GRAPHVIZ_UNKNOWN_LIBS</span></span><a class="headerlink" href="#variable:GRAPHVIZ_UNKNOWN_LIBS" title="Permalink to this definition">¶</a></dt>
<dd><p>Set to FALSE to exclude unknown libraries from the generated graphs.</p>
<ul class="simple">
<li><p>Mandatory: NO</p></li>
<li><p>Default: TRUE</p></li>
</ul>
</dd></dl>

<dl class="cmake variable">
<dt class="sig sig-object cmake" id="variable:GRAPHVIZ_EXTERNAL_LIBS">
<span class="sig-name descname"><span class="pre">GRAPHVIZ_EXTERNAL_LIBS</span></span><a class="headerlink" href="#variable:GRAPHVIZ_EXTERNAL_LIBS" title="Permalink to this definition">¶</a></dt>
<dd><p>Set to FALSE to exclude external libraries from the generated graphs.</p>
<ul class="simple">
<li><p>Mandatory: NO</p></li>
<li><p>Default: TRUE</p></li>
</ul>
</dd></dl>

<dl class="cmake variable">
<dt class="sig sig-object cmake" id="variable:GRAPHVIZ_CUSTOM_TARGETS">
<span class="sig-name descname"><span class="pre">GRAPHVIZ_CUSTOM_TARGETS</span></span><a class="headerlink" href="#variable:GRAPHVIZ_CUSTOM_TARGETS" title="Permalink to this definition">¶</a></dt>
<dd><p>Set to TRUE to include custom targets in the generated graphs.</p>
<ul class="simple">
<li><p>Mandatory: NO</p></li>
<li><p>Default: FALSE</p></li>
</ul>
</dd></dl>

<dl class="cmake variable">
<dt class="sig sig-object cmake" id="variable:GRAPHVIZ_IGNORE_TARGETS">
<span class="sig-name descname"><span class="pre">GRAPHVIZ_IGNORE_TARGETS</span></span><a class="headerlink" href="#variable:GRAPHVIZ_IGNORE_TARGETS" title="Permalink to this definition">¶</a></dt>
<dd><p>A list of regular expressions for names of targets to exclude from the
generated graphs.</p>
<ul class="simple">
<li><p>Mandatory: NO</p></li>
<li><p>Default: empty</p></li>
</ul>
</dd></dl>

<dl class="cmake variable">
<dt class="sig sig-object cmake" id="variable:GRAPHVIZ_GENERATE_PER_TARGET">
<span class="sig-name descname"><span class="pre">GRAPHVIZ_GENERATE_PER_TARGET</span></span><a class="headerlink" href="#variable:GRAPHVIZ_GENERATE_PER_TARGET" title="Permalink to this definition">¶</a></dt>
<dd><p>Set to FALSE to not generate per-target graphs <code class="docutils literal notranslate"><span class="pre">foo.dot.&lt;target&gt;</span></code>.</p>
<ul class="simple">
<li><p>Mandatory: NO</p></li>
<li><p>Default: TRUE</p></li>
</ul>
</dd></dl>

<dl class="cmake variable">
<dt class="sig sig-object cmake" id="variable:GRAPHVIZ_GENERATE_DEPENDERS">
<span class="sig-name descname"><span class="pre">GRAPHVIZ_GENERATE_DEPENDERS</span></span><a class="headerlink" href="#variable:GRAPHVIZ_GENERATE_DEPENDERS" title="Permalink to this definition">¶</a></dt>
<dd><p>Set to FALSE to not generate depender graphs <code class="docutils literal notranslate"><span class="pre">foo.dot.&lt;target&gt;.dependers</span></code>.</p>
<ul class="simple">
<li><p>Mandatory: NO</p></li>
<li><p>Default: TRUE</p></li>
</ul>
</dd></dl>

</section>
</section>


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<li><a class="reference internal" href="#">CMakeGraphVizOptions</a><ul>
<li><a class="reference internal" href="#generating-graphviz-files">Generating Graphviz files</a></li>
<li><a class="reference internal" href="#variables-specific-to-the-graphviz-support">Variables specific to the Graphviz support</a></li>
</ul>
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